package servlet;

import pojo.User;
import service.UserService;
import service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(urlPatterns = "/toupdate")
public class ToUpdateUserServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        UserService userservice=new UserServiceImpl();
        //编码处理,处理汉字乱码
        req.setCharacterEncoding("utf-8");
        //拿到页面传递的参数
        String sid = req.getParameter("id");
        Integer id=Integer.parseInt(sid);
        //根据id查询用户信息
        User user = userservice.findById(id);
        //将对象存储在作用域中
        req.setAttribute("user",user);
        req.getRequestDispatcher("updateUser.jsp").forward(req,resp);

    }
}
